Home / 2,567,813.78-3,543,582.80-1,421,894.22

Finding the Fourth Proportional to 2,567,813.78, 3,543,582.80 and 1,421,894.22

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Solution

The fourth proportional to 2,567,813.78, 3,543,582.80 and 1,421,894.22 is: 1,962,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,813.78 : 3,543,582.80 = 1,421,894.22 : x
  2. Step 2: Convert to fraction form
    2,567,813.78/3,543,582.80 = 1,421,894.22/x
  3. Step 3: Cross multiply
    2,567,813.78x = 3,543,582.80 × 1,421,894.22
  4. Step 4: Simplify right side
    2,567,813.78x = 5,038,599,901,411.42
  5. Step 5: Solve for x
    x = 5,038,599,901,411.42/2,567,813.78
  6. Step 6: Final answer
    x = 1,962,213.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.